The interaction between two objects that have mass is called ?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion

What are some possible consequences of preventing prescribed burns and natural wildfires